Nature of Physical World and Measurement — Physics STD 11 — Question

The Doppler effect is applicable for ……..

A block of mass m is pulled along a horizontal surface by a rope. The tension in the rope will be same at all the points –

A simple harmonic oscillator has a period of 0.01 s and an amplitude of 0.2 m. The magnitude of the velocity in m/s at the centre of oscillation is ……..

At a given volume and temperature, the pressure of a gas ….

The temperature of an ideal gas is increased from 120 K to 480 K. If at 120 K the root mean square velocity of the gas molecules is v, at 480 K it becomes

Zero error of an instrument is a ……

If a body moving in a circular path with uniform speed, then –

When the terminal velocity is reached, the acceleration of a body moving through a viscous medium is …….

In a leveled circular road, skidding mainly depends on –

A wave of frequency 100 Hz is sent along a string towards a fixed end when this wave travels back after reflection, a node is formed at a distance of 10 cm from the fixed end of the string. The speed of the incident wave is ……